-32.46% is the change from 918 to 620
Calculation steps:
[( 620 - 918 ) ÷ 918] x 100 = -32.46%
Formula
Percentage change = [(620 - 918) / 918] x 100
Subtract the new number by the original number
620 - 918 = -298
-298 ÷ 918 = -0.32461873638344224
-0.32461873638344224 x 100 = -32.46%